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(11)

EP 2 462 517 A1

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(43) Date of publication: 13.06.2012 Bulletin 2012/24 (21) Application number: 09847957.9 (22) Date of filing: 04.08.2009

(51) International Patent Classification (IPC):  G06F 17/30(2006.01) (86) International application number: PCT/CN2009/000875 (87) International publication number: WO 2011/014979 (10.02.2011 Gazette 2011/06)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (71) Applicant: Google Inc. Mountain View, CA 94043 (US)	(72) Inventors: LI, Youlin Beijing 100020 (CN) HSU, Goang-Tay San Jose CA 95138 (US) LIN, Linda Lin San Carlos CA 94070 (US) (74) Representative: Schley, Jan Malte et al Fish & Richardson P.C. Highlight Business Towers Mies-van-der-Rohe-Str. 8 80807 München 80807 München (DE)